Question

Please Help!
Find the real solutions of the equation by graphing.
x^2-x+2=0

Answer 1

do you have a graphing calculator?

Answer 2

No i dont

Answer 3

I would make up a table of
x y pairs pick some numbers like x= -3 up to +3, and find the y
once you get a list of (x,y) points, plot them.

Can you find the list of (x,y) points (as a first step) ??

Answer 4

well i tryed to solve the question like this x^2-x+2=0
(x-2)(x-1)=0
x=2 x=1 could I use these numbers?

Answer 5

in this question , no solution.

Answer 6

@ASAAD123 What do you mean it has it be a graph? What do you mean no solution

Answer 7

no, because (x-2)(x-1) multiplies out to x^2 -3x +2 It is not your equation.

try finding some (x,y) pairs.

Answer 8

No real roots. Curve does not cross the x axis.
Refer to the attachment.

Answer 9

@robtobey So its x=3

Answer 10

\[x=\frac{1}{2} \left(1\pm i \sqrt{7}\right) \]

Answer 11

I think I got it Thanks everyone! I'm not sure who to give a medal too?

Answer 12

the curve does not touch and pass through x-axis.

Answer 13

I don't want to ruffle any one's feathers on this site, however, in some circles this problem would be viewed as a "trick question".

Answer 14

Could someone help with this one
Divide using synthetic division
-3x^3+11x^2-x+20by(x-4)

Answer 15

\[-3 x^2-x-5 \]with no remainder.

Answer 16

This one says to use synthetic division and the given factor to completly factor the polynomial

Answer 17

Well the remainder is 120. Your job is to verify that the quotient is\[x^2+5 x+30 \]using synthetic division.

Answer 18

in the question 24x?

Answer 19

@ASAAD123 whats do you mean? Whats your question?

Answer 20

in the question,you write 24 without x.

Answer 21

you are right its x^3-x^2-24x-36;(x-6)

Answer 22

yup

Answer 23

Thanks soooo much!

Answer 24

welcome